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Angelina_Jolie [31]
2 years ago
12

Help please lol???????​

Mathematics
2 answers:
soldier1979 [14.2K]2 years ago
6 0
Answer: 376.8 cm^2

Step-by-Step Explanation:

We know, the Surface Area of Cylinder:
= 2pi*r(r + h)

r = 5 cm
h = 7 cm

Therefore,
= 2 * pi * r (r + h)
= 2 * 3.14 * 5 (5 + 7)
= 2 * 3.14 * 60
= 376.8

Therefore, the T.S.A is 376.8 cm^2

Please mark as Brainliest if it helped!
Vika [28.1K]2 years ago
4 0
Back at it again, this time following directions. i beielive it should be 549.5 cm^3 using the V of a cylinder is pi x r^2 x h
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Which of these triangles are definitely not congruent to any of the others?
liberstina [14]

Answer:

Your correct, it's C and D

Step-by-step explanation:

A and E are right triangles, so that's not the answer. B and F are isosceles triangles so that's not the answer. C and D are 2 DIFFERENT obtuse triangles so that's why C and D are the answers.

8 0
3 years ago
A company produces two types of the jackets; windbreakers and rainbreakers. The company has at most 71 hours of finishing time p
Oksi-84 [34.3K]

Answer:

i think the answer is b

Step-by-step explanation:

5 0
3 years ago
Two poles of different heights are used for a climbing event and need to be secured to the ground using wires. The shorter pole
olganol [36]

Answer:

12.8 m.

Step-by-step explanation:

The length of the wire on the shorter pole (AC)

= √(6^2+8^2)

= √100

= 10 m.

The 2 triangles are similar so

10/16 = 8/x      where x is height of taller pole.

10x = 128

x = 12.8m

5 0
1 year ago
Find the measures of angles 1 and 2. If necessary, round to the tenths place.
Kisachek [45]

Answer:

Option C

Step-by-step explanation:

From the picture attached,

m∠ABC = 40° [Given]

Since, measure of the intercepted arc is double of the measure of the inscribed angle.

Therefore, m(arc AC) = 2(m∠ABC)

m(arc AC) = 2(40°)

                 = 80°

m(arc FB) = 115° [Given]

By applying theorem of the angles formed by the chords inside a circle,

m∠2 = \frac{1}{2}(\text{arc}AC+\text{arc}FB)

        = \frac{1}{2}(80^{\circ}+115^{\circ})

        = 97.5°

m∠1 + m∠2 = 180° [Linear pair of angles are supplementary]

m∠1 + 97.5° = 180°

m∠1 = 180° - 97.5°

       = 82.5°

Option C is the answer.

8 0
2 years ago
A company manufactures and sells slippers. The price it charges wholesalers is $18 per pair. The company has fixed annual costs
choli [55]

Given :

A company manufactures and sells slippers. The price it charges wholesalers is $18 per pair.

The company has fixed annual costs of $30,000.

In addition, it costs the company $4.50 to make each pair of slippers.

To Find :

The minimum slippers that company will sell to get all their cost back.

Solution :

Let, amount of slippers sold is x.

So, profit, P = (18-4.5)x

Cost of making x slippers, C = 4.5x + 30000

( 18-4.5 )x = 4.5x + 30000

9x = 30000

x = 3333.33

Since, number of slippers cannot be in fraction.

So, x = 3334

Therefore, number of slippers that company should sell minimum is 3334.

5 0
2 years ago
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